Submission #632103

#	Time	Username	Problem	Language	Result	Execution time	Memory
632103		Minindu2006	Thousands Islands (IOI22_islands)	C++17	Compilation error	0 ms	0 KiB

islands

#include "islands.h"
#include<bits/stdc++.h>
#include <variant>
#include <vector>
using namespace std;

int n, m, can = -1;
vector<int> u, v;
vector<int> adj[1001];
void dfs(int node, vector<int> &ans);


std::variant<bool, std::vector<int>> find_journey(
    int N, int M, std::vector<int> U, std::vector<int> V) {
  n = N, m = M;
  U = u, v = V;
  
    if(m <= 2)
      return 0;
    int z = 0;
    vector<int> cur(3);
    for(int i=0;i<m;i++)
    {
      if(u[i] == 0)
      { 
        if(z < 2)
          cur[z] = i;
        z++;
      }
      else
        cur[2] = i;
    }
    if(z <= 1)
      return 0;
    for(int i=0;i<3;i++)
      cur.push_back(cur[i]);    
    return cur;
  
}

Compilation message (stderr)

islands.cpp: In function 'std::variant<bool, std::vector<int, std::allocator<int> > > find_journey(int, int, std::vector<int>, std::vector<int>)':
islands.cpp:19:14: error: could not convert '0' from 'int' to 'std::variant<bool, std::vector<int, std::allocator<int> > >'
   19 |       return 0;
      |              ^
      |              |
      |              int
islands.cpp:34:14: error: could not convert '0' from 'int' to 'std::variant<bool, std::vector<int, std::allocator<int> > >'
   34 |       return 0;
      |              ^
      |              |
      |              int